Greetings from
The On-Line Encyclopedia of Integer Sequences
!
Hints
Search:
id:A146624
Displaying 1-1 of 1 results found.
page 1
Format:
long
| short |
internal
|
text
Sort: relevance |
references
|
number
Highlight: on |
off
A146624
Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 1001-1111 pattern in any orientation.
+0
1
1, 1, 1, 1, 1, 1, 7, 15, 27, 59, 155, 405, 1359, 4729, 17093, 68787, 322325, 1555247, 8826433, 52320689, 346500913, 2442891583, 19699289407, 167408986709, 1625563585505
(
list
;
graph
;
listen
)
page 1
Search completed in 0.002 seconds
Lookup
|
Welcome
|
Find friends
|
Music
|
Plot 2
|
Demos
|
Index
|
Browse
|
More
|
WebCam
Contribute new seq. or comment
|
Format
|
Transforms
|
Puzzles
|
Hot
|
Classics
More pages
|
Superseeker
|
Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 15 00:47 EST 2009. Contains 170825 sequences.
AT&T Labs Research
Legal Notice
© 2009 AT&T Intellectual Property.
All Rights Reserved.
